2023 BMC Switzerland 257 AL Three M
Build
700C/29 in × 37 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 590mm |
| Reach | 415mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, Unknown | 510mm |
| Top Tube Length, Unknown | 584mm |
| Top Tube Slope | 10.2deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 165mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.9mm |
| Front-Center | 657mm |
| Front-Center Horizontal | 653.1mm |
| Wheelbase | 1088mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 408mm |
| Trail | 78.8mm high |
| Mechanical Trail | 74mm |
| Wheel Flop | 25.3mm |
| Standover Height | 790mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 139mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Three Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 37mm |
| Tire Outer Diameter | 696mm |
| Bike Length with Tires | 1784mm |
| Crank Length | 170mm |
| Handlebar Width | 600mm |
| Stem Length | 90mm |
| Stem Angle | 8deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 14 ft 0 in to |
Source:https://www.bmc-switzerland.com/us_en/bmc-257-al-one-st-23.html